Sudden allergic reactions can be fatal. The most common triggers of such reactions, also known as anaphylaxis, are wasp and bee venoms, legumes (pulses), animal proteins, and analgesics (painkillers). The incidence of anaphylaxis is age-dependent. Now, researchers describe the causes and treatment methods for anaphylaxis.

Hydraulic engineers and photovoltaics experts have developed a solar filtration system to produce high-quality drinking water from polluted brackish water and tested it successfully in Tanzania. The test results are currently being analyzed. The filter effectively separates undesired substances, bacteria, and viruses.

Covert changes of mind can be discovered by tracking neural activity when subjects make decisions, researchers have found. Their results, offer new insights into how we make decisions and point to innovative ways to study this process in the future.

Despite conventional wisdom among gardeners, foresters and botanists that woody plants all 'leaf out' at about the same time each spring, a new study found a surprisingly wide span of as much as three months in leaf-out times.